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1.转向轴折断 有辆四轮农用运输车,在一次公路调头时,突然出现打方向失灵,方向盘转十来圈,也不见转向轮转动。经拆卸检查,是带有螺杆的转向轴被折断。分析其原因有二:一是螺杆与转向轴焊合处焊接质量不过关,二是机手打方向盘时用力过猛,方向器打到位后,还继续出猛力扳方向盘。经把螺杆与方向轴打坡口后再焊合,已使用半年多,未见折断。
1. Steering shaft breaks a four-wheeled agricultural truck, a road accident, suddenly appeared to play the direction of failure, turn the steering wheel a dozen laps, did not see the steering wheel rotation. After disassembly inspection, the steering shaft with screw is broken. There are two reasons for the analysis: First, the welding quality of screw and steering shaft welding pass, however, the second hand when the driver hit the steering wheel too much force, the steering wheel hit in place, but also continue to pull the steering wheel violently. After the screw and the direction of the shaft groove after welding, has been using more than six months, no break.